TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

azoic [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-06-22

English

Subject field(s)
  • Chemical Elements and Compounds
OBS

azo dye: Any of a broad series of synthetic dyes that have -N=N- as a chromophore group.

French

Domaine(s)
  • Éléments et composés chimiques
DEF

Composé organique avec R et R' désignant des restes de carbures.

CONT

Les colorants azoïques sont des composés azoïques renfermant des noyaux benzéniques ou naphtaléniques [...]

OBS

Ce composé est du type R-N = N-R' avec R et R'.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Save record 1

Record 2 2010-04-21

English

Subject field(s)
  • Chronology
  • Geology
DEF

... the earlier interval in the twofold subdivision of the Precambrian time.

CONT

... the three main stages of earth history, the Archean, Proterozoic, and Phanerozoic, are recorded in different responses of the sialic (continental) crust to different geothermal gradients. In other words, it seems that the earth was hotter in the Archean and has continuously cooled ...

OBS

The term Archeozoic has been more or less synonymous with Archean, which has been more widely used, especially outside the United States.

OBS

Subdivision of the Precambrian. ... Lake Superior studies resulted in two formally described systems, the older Archean and the younger Algonkian eras. Today, these subdivisions are considered to be of much greater magnitude than systems; the terms Archeozoic and Proterozoic are now preferred for these subdivisions.

Key term(s)
  • Archaean age
  • Archaean eon

French

Domaine(s)
  • Chronologie
  • Géologie
DEF

Période géologique la plus reculée dans le temps, antérieure à 2,6 milliards d'années.

CONT

Généralement, on divise le Précambrien en un Précambrien ancien souvent dit Archéen, [...] et un Précambrien récent, autrefois dit Algonkien, souvent appelé Protérozoïque [...]

OBS

Ces termes appartiennent aux domaines de la stratigraphie et de la géochronologie.

Spanish

Campo(s) temático(s)
  • Cronología
  • Geología
DEF

Primero en antigüedad de los dos eratemas en que se divide el eonotema Arqueozoico. Comprende un intervalo entre el origen de la Tierra hasta los 2 500 millones de años antes de los tiempos actuales.

Save record 2

Record 3 2003-12-04

English

Subject field(s)
  • Environment
  • Origin of Life and Speciation
DEF

Said of an environment that is devoid of life.

French

Domaine(s)
  • Environnement
  • Origine de la vie et des espèces en général
DEF

Se dit d'un milieu qui est privé de vie, d'un terrain dans lequel on ne trouve ni fossile ni trace de vie.

CONT

[...] ces formations étaient antérieures à l'apparition de la vie sur la Terre et [...] il était vain d'y chercher des fossiles (terrains azoïques).

Spanish

Campo(s) temático(s)
  • Medio ambiente
  • Origen de la vida y de las especies en general
DEF

[Dícese del] conjunto de los terrenos más antiguos de la corteza terrestre, en los cuales no se han hallado restos de vida.

Save record 3

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